924Board.org

[Cone_Eater]

Hey everybody. I am looking into a standalone ECU system. Is there one that just plugs into the stock DME? What should I expect for a price and is their anyone with a used one?

[Raceboy]

[alexvex]

You might want to look into Russell Berry's MaxHPKit. Allthough I don't think he has anything for the 944/924S just yet....at least as far as chips. You should be able to use MaxTune though. Shoot him an email and I'm sure he'll answer any questions you've got.

What are you doing that you need standalone on a 924S anyways? If you're going turbo, just get a 951 DME/KLR/Harness.
_________________
--Alex--
1992 Porsche 968 (VW 2.5L I5 Turbo swap in the works)
1995 Audi 90 Quattro Sport (4.2L V8 Swap)
2010 Touareg TDI
Past Pcars: 80 931, 87 924S, 87 951

[Raceboy]

When going turbo, why bothering using old 951 wiring and ancient DME/KLR arrangement? For that money you can buy decent standalone and the amount of work is actually LESS with standalone.
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche

[Fast924S]

I believe Lindsey Racing Has a plug and play stand alone for the 951, WOlF 3D I think its called, In theory it should work for the 924S just dont use the KLR side of it.


http://www.lindseyracing.com/mm5/merchant.mvc?Screen=CTGY&Store_Code=LR&Category_Code=WOLF3D
_________________
Rebuild COMPLETED, Many mods, better power, Just ask for info

[Cone_Eater]

I like the max hp idea. I am NOT going turbo. I simply have many performance parts and want to them to work well togather.

Fresh head with 951 valve springs, web cam, 5-angle valve job
MSD 6AL ignition box
New 42lb bosch EV1 injectors

I want a good set-up that will make everything sync if you know what I mean.

[Raceboy]

I'm aware of the 951 PnP option but this does not work with 944! First difference is the crank trigger as 951 has 132 teeth on the flywheel, 924S/944 has 130 which makes triggers different.

And as for injectors, if you're not going to turbo, bigger injectors are just a waste of money.
If you want to improve your cars driveability, don't go bigger, but get newer technology injectors that provide better atomization and response. Stay away from ancient EV1-style ones (like stock and alike).
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche

[Cone_Eater]

I am sponsered by a fuel injection company and he wants me to try these and see what happens. I said ok. I dont argue much. If I dont like them I send them back and get a different set.
The car isnt a daily driver. Its a bi-weekend toy and an autox car.
Driveablity isnt a concern just as long as it makes good power.

[Raceboy]

It won't make any more power with bigger injectors. You have to improve engine VE to make more power and even 5angle valve job won't help much.
To make power NA, you have additionally port the head HEAVILY, contact Jon Milledge for best cam and use ITB's to get rid of the stock intake manifold. This way you can get to 200hp range. Or you can buy 16v head and do the same mods and get around 230 hp.
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche

[Cone_Eater]

forgot to add the euro pistons and knife edge crank. I relize it is over kill on the injectors but I can change them to a 30lb after I try them in it. All my sponser wants is for me to try them. I plan on an adj fuel pressure reg and will turn it down to compensate but say I wanted to run a wet shot... All I would have to do is turn it back up.

[RC]

Although the S and early 44s only run 2.5 bar it is a bad idea to run lower pressure than the 3 bar that most injectors are rated at. Flow reduction will not be linear, spray pattern is compromised, opening time is extended while closing time is faster. Fail to see the point in changing injectors myself especially if you only change the ECU to run the large injectors.

Read your thread(s) on Rennlist and personally believe the stock ECU will run the high impedance injectors OK. Don`t know if it employs current limiting or PWM but either way wont overload the drivers. Possible though the flow may be slightly reduced after the initial opening and low fuel pressure will compound this. Generally it is only a problem running low impedance injectors on an ECU designed for high impedance injectors, since it will overload and burn out the driver (FET or darlington transistor).

Keep us informed on your progress.

Roger

[alexvex]

Yeah, as others have said, bigger injectors won't get you any more horsepower.

After all the mods listed you'll probably make 5whp more...not anywhere near outside the limits of the stock ECU/fuel system. It would just be a waste of money.

For the money that you would spend making the car make power N/A you could easily sell the 924S and buy a mint 951.

But do what you want.

Also, a note about the MaxHPKit, I believe it's for the later ECU's..not too sure on it. I know that the ROM chips vary in pin size between the years. 87 924S's have the early ECU while the 88's have the later ECU IIRC. I think it's 28 pin for the early and 30 pin for the later..someone correct me if i'm wrong.
_________________
--Alex--
1992 Porsche 968 (VW 2.5L I5 Turbo swap in the works)
1995 Audi 90 Quattro Sport (4.2L V8 Swap)
2010 Touareg TDI
Past Pcars: 80 931, 87 924S, 87 951

[alexvex]

[Fast924S]

Umm I just check out the PNP ecu from lindsey racing and they DO SAY it WILL WORK with the 944 and the 944 Turbo, They even say it works for the 911. SO you can always custom tune it and run all the stock stuff.

I am running almost the same setup as you.

I swapped to 10.2CR, JM camshaft, 951 valve springs, Balanced bottom end, MAF kit, SPec lightweight flywheel, 951 oil cooler, MSD SCI Digitial Plus Ignition, Lindsey Racing Adjustable cam gear, Lindsey RAcing AFPR, Port matched Intake to head and TB to intake. Bursch header, and B&B cat back exhaust, Ac delete. As soon As I get this oil cooler location figured out I'll let you know how it Runs.
_________________
Rebuild COMPLETED, Many mods, better power, Just ask for info

[Raceboy]

When you order, you should make not for what car this goes and they customize it accordingly, otherwise it won't work.

And as for cost? I don't get it, why the hell would one pay such ridiculous amount of money for 10 additional hp on 924S/944? *Cause this is the exact amount that is gained when using standalone over stock on stock engine (I've installed and tuned it on the dyno on Euro 944).

If it's nitrous, then yes, standalone will let you use 150hp shot as well and the higher the CR the better.
_________________
'83 924 2.6 16v Turbo, 470hp
'67 911 2.4S hotrod
'90 944 S2 Cabriolet
'78 924 Carrera GT replica
'84 928 S, sold
'91 944 S2, sold
'82 924S/931 "Gulf", sold
'84 924, turbocharged, sold.
http://www.facebook.com/vemsporsche